(19)

(11)

EP 4 256 014 A1

(12)

(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21810635.9 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  C11D 1/10(2006.01) C11D 3/33(2006.01) C11D 11/04(2006.01) A61Q 19/10(2006.01) C11D 3/20(2006.01) C11D 11/00(2006.01) A61K 8/44(2006.01) C07C 231/02(2006.01) (52) Cooperative Patent Classification (CPC): C11D 1/10; C11D 11/0094; C11D 3/33; C11D 3/2079; C11D 3/2065; C11D 11/04; A61K 8/44; A61Q 19/10; C07C 231/02   C-Sets: C07C 231/02, C07C 233/47; (86) International application number: PCT/EP2021/082849 (87) International publication number: WO 2022/117415 (09.06.2022 Gazette 2022/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.12.2020 EP 20210866 (71) Applicant: BASF SE 67056 Ludwigshafen am Rhein (DE)	(72) Inventors: RATHS, Hans-Christian 40589 Düsseldorf (DE) CLASEN, Frank 40589 Düsseldorf (DE) BEHLER, Ansgar 46240 Bottrop (DE) (74) Representative: BASF IP Association  BASF SE GBI-C006 67056 Ludwigshafen 67056 Ludwigshafen (DE)